@inproceedings{Schweikardt2009,
  author    = {Nicole Schweikardt},
  title     = {Lower bounds for multi-pass processing of multiple data streams},
  booktitle = {Proceedings of the 26th Annual Symposium on the Theoretical Aspects of Computer Science ; Theoretical Aspects of Computer Science 2009 (Freiburg)},
  pages     = {51 -- 62},
  year      = {2009},
}